1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/leds/nxp,pc 4 $id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: NXP PCA9532 LED Dimmer 7 title: NXP PCA9532 LED Dimmer
8 8
9 maintainers: 9 maintainers:
10 - Riku Voipio <riku.voipio@iki.fi> 10 - Riku Voipio <riku.voipio@iki.fi>
11 11
12 description: | 12 description: |
13 The PCA9532 family is SMBus I/O expander opt 13 The PCA9532 family is SMBus I/O expander optimized for dimming LEDs.
14 The PWM support 256 steps. 14 The PWM support 256 steps.
15 15
16 For more product information please see the 16 For more product information please see the link below:
17 https://www.nxp.com/docs/en/data-sheet/PCA 17 https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf
18 18
19 properties: 19 properties:
20 compatible: 20 compatible:
21 enum: 21 enum:
22 - nxp,pca9530 22 - nxp,pca9530
23 - nxp,pca9531 23 - nxp,pca9531
24 - nxp,pca9532 24 - nxp,pca9532
25 - nxp,pca9533 25 - nxp,pca9533
26 26
27 reg: 27 reg:
28 maxItems: 1 28 maxItems: 1
29 29
30 gpio-controller: true 30 gpio-controller: true
31 31
32 gpio-line-names: 32 gpio-line-names:
33 minItems: 1 33 minItems: 1
34 maxItems: 16 34 maxItems: 16
35 35
36 '#gpio-cells': 36 '#gpio-cells':
37 const: 2 37 const: 2
38 38
39 patternProperties: 39 patternProperties:
40 "^led-[0-9a-z]+$": 40 "^led-[0-9a-z]+$":
41 type: object 41 type: object
42 $ref: common.yaml# 42 $ref: common.yaml#
43 unevaluatedProperties: false 43 unevaluatedProperties: false
44 44
45 properties: 45 properties:
46 type: 46 type:
47 description: | 47 description: |
48 Output configuration, see include/dt 48 Output configuration, see include/dt-bindings/leds/leds-pca9532.h
49 $ref: /schemas/types.yaml#/definitions 49 $ref: /schemas/types.yaml#/definitions/uint32
50 default: 0 50 default: 0
51 minimum: 0 51 minimum: 0
52 maximum: 4 52 maximum: 4
53 53
54 required: 54 required:
55 - compatible 55 - compatible
56 - reg 56 - reg
57 57
58 additionalProperties: false 58 additionalProperties: false
59 59
60 examples: 60 examples:
61 - | 61 - |
62 #include <dt-bindings/leds/leds-pca9532.h> 62 #include <dt-bindings/leds/leds-pca9532.h>
63 63
64 i2c { 64 i2c {
65 #address-cells = <1>; 65 #address-cells = <1>;
66 #size-cells = <0>; 66 #size-cells = <0>;
67 67
68 led-controller@62 { 68 led-controller@62 {
69 compatible = "nxp,pca9533"; 69 compatible = "nxp,pca9533";
70 reg = <0x62>; 70 reg = <0x62>;
71 71
72 led-1 { 72 led-1 {
73 label = "pca:red:power"; 73 label = "pca:red:power";
74 type = <PCA9532_TYPE_LED>; 74 type = <PCA9532_TYPE_LED>;
75 }; 75 };
76 76
77 led-2 { 77 led-2 {
78 label = "pca:green:power"; 78 label = "pca:green:power";
79 type = <PCA9532_TYPE_LED>; 79 type = <PCA9532_TYPE_LED>;
80 }; 80 };
81 81
82 led-3 { 82 led-3 {
83 type = <PCA9532_TYPE_LED>; 83 type = <PCA9532_TYPE_LED>;
84 default-state = "on"; 84 default-state = "on";
85 }; 85 };
86 86
87 led-4 { 87 led-4 {
88 type = <PCA9532_TYPE_LED>; 88 type = <PCA9532_TYPE_LED>;
89 default-state = "keep"; 89 default-state = "keep";
90 }; 90 };
91 }; 91 };
92 }; 92 };
93 93
94 ... 94 ...
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